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A star schema is a type of data warehouse design that optimizes multidimensional query performance (Poolet, 2007).
Your reading gives a case example and a high-level overview of modeling an information system. The first step in designing an information system is to construct a data model. The data model you use is a star schema.
A large online company’s marketing department needs information to examine sales, predict future directions, and determine how and what to advertise. Design a star schema to organize the sales information to meet the marketing department needs. Identify the dimensions first, and then identify the attributes of those dimensions
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